BIRPAN SHRADDHA YUVARAJ, DR. PRANJALI SHINDE. Simultaneous Spectrophotometric Determination of Transition-Metal Ions Using Hydroxytriazene as a Reagent. International Journal of Engineering Science & Humanities, [S. l.], v. 16, n. 3, p. 479–493, 2026. Disponível em: https://www.ijesh.com/j/article/view/1141. Acesso em: 8 sep. 2026.